172 THE RARITAN FLORA. 



angles of about 45° and with but slight curving run directly to 

 the miarginal teeth. 



This species was based on the single specimen figured by Prof. 

 Newberry (loc. cit.), and no additional specimens have come to 

 light. Although associated with the preceding, it is abundantly 

 distinct. Like the former, however, its botanical affinity is un- 

 certain. Prof. Newberry's name was a preoccupied one and the 

 present name is given in allusion to the general locality. 



'Occurrence. — Sayreville. 



Collections. — N. Y. Botanical Garden. 



Family CELASTRACE^. 



Genus CELASTRUS Linne. 



(Sp. PI., 1753. p. 196.) 



Celastrus arctica Heer. 



Plate XXV, Figs 1-5. 



Celastrus arctica Heer, Fl. Foss. Arct., vol. 7:40, pi. 61, f. ^d, e, 



1883. 

 Newb.. Fl. Amboy Clays, 98, pi. i?, /. 8-18, 1896. 

 Hollick, Ann. N. Y. Acad. Sci., vol. 11 : 60, pi. 4, f. 8, 1898; 



Bull. N. Y, Bot. Garden, vol. 3 : 408, pi. 70, f. 12, 15, 



1904; U. S. Geol. Surv. Mon., 50: 88, pi. 33, f. p-ii, 



1907. 



Description. — "C. foliis parv-ulis, lineari-lanceolatis. apice 

 longe attenuatis, basi angustatis, denticulatis, nervis secundariis 

 angulo' acuto egredientibus." Heer, 1883. 



Leaves elongated and narrow, linear-lanceolate in outline, with 

 an equally acuminate apex and base and a short, stout petiole, 

 ranging from 4 cm-, to^ 13 cm. in length, by fromi 0.5 cm. tO' 1.5 

 cm. in breadth. Midrib stout. Secondaries numerous, parallel, 

 nearly straight, branching from the midrib at acute angles rang- 

 ing from 12° to 37°, inosculating near the margin, short branches 

 from, this marginal hem entering the teeth. Margin regularly 



